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STOCKHOLDERS' EQUITY: - Non Controlling Interest (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Non-controlling interest activity        
Balance at the beginning of the period     $ 62.7 $ 58.6
Net earnings $ 2.1 $ 1.9 4.9 5.0
Dividend paid     (4.6) (3.8)
Balance at the end of the period $ 63.0 $ 59.8 $ 63.0 $ 59.8